The Japanese automaker has brought to the Las Vegas event its latest Sienna R-Tuned concept, designed to take a jab at all the detractors claiming minivans are not “fun” to drive. The main attraction with the study is that it has retained its original powertrain choice and was only modified elsewhere to make it a track-ready guru, one that also had the force to beat a V8-powered Camaro SS on the Willow Springs Raceway track. The Japanese automaker called the help of DG-Spec to deliver the high-performance minivan from a regular Sienna SE. They started with a carbon fiber hood and 18-inch Enkei Bright Silver RPF1 wheels with Nitto NT-01 tires, swapped the brakes with high-performance ones and also installed double-adjustable shocks with racing springs and a clutch-type limited slip differential. The model also has numerous exterior design modifications – touching everything from bumpers to side skirts and the grille. The race-ready interior will not bode well with any soccer mom but goes with a Racepak IQ3 digital dash and Corbeau Pro Series race seats with six-point harnesses, roll-cage and TRD shifter. Power comes from under the hood where the regular 3.5-liter V6 engine and six speed automatic transmission reside, with the former only equipped with a cold air intake and a cat-back exhaust system. No technical specifications have been released but the company claims it has beaten on Willow Springs a 6.2-litre V8-powered Camaro SS with a lap time of 1:27 – a full second faster around the 1.7-mile sports car circuit. “We looked at the overall dynamics of the vehicle, and made adjustments to make the vehicle handle and brake better. The Sienna R-Tuned simply carries more speed through the corners,” explains the achievement Andrew Lund, chief engineer for the Sienna at Toyota Technical Center. [video11]